class_docstr: Customized log formatter.
code: def _get_label(self, level):
      # pylint: disable= missing-docstring
      if level == logging.CRITICAL:
          return "C"
      elif level == logging.ERROR:
          return "E"
      elif level == logging.WARNING:
          return "W"
      elif level == logging.INFO:
          return "I"
      elif level == logging.DEBUG:
          return "D"
      return "U"
  
file_path: mxnet/python/mxnet/log.py
imports: import logging
  import warnings
label_desc: Use image node_id 3 for calling the _Formatter obj's underlying member method code with example usage: obj._get_label(level) and returns: str, str, str, str, str, str